Struggling in AP Bio

Hi!
So I go to Van Buren High School in AR, and I am challenging myself this year by taking a AP Biology course. I took on level biology my sophomore year like everyone else and was the top of my class so I decided to take this course because I thought I would do well. I have a 72% right now, and I am about to take the 1st Semester exam over chapters 1-9 off of Pearson 's Biology textbook. I have failed every test but one in this class and it’s too late to drop the course. So I’m forced to tough it out and really try and make at least above a C on this test. Ive studied for tests in this class a week long in advance, still failed. I also have started to go and see my teacher during lunch for tutoring and help studying. I dont know what to do, so I was wondering what anyones advice about the test is and I was wondering how bad, if I fail this test, will that hurt my GPA. I currently have a 3.2 GPA so how much would that bring me down?

Try using khan academy! Their AP Biology course and Biology course are the same, just don’t click the one Highschool Biology course. This is what I’m using to learn AP Bio, but it might help you understand certain concepts.

Oh:( sorry this was late. Hope you did well tho!